Question

um prisma quadrangular regular tem 20cm de aresta lateral e 7cm de aresta da base. calcular: a) area da base b) area lateral c)area total d) volume​

Answer 1

Ab=L^2

Ab=20^2

Ab=400cm2

Al=4Af

Al=4×7

Al=28cm

At=2Ab+Al

At=2×400×28

At=22400cm2

v=Ab×h

v=400×h

v=20h